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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: mPW1PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-171.044469
Energy at 298.15K-171.051100
HF Energy-171.044469
Nuclear repulsion energy82.364806
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at mPW1PW91/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3830 3670 17.36      
2 A 3595 3445 1.12      
3 A 3511 3364 0.40      
4 A 3127 2997 32.81      
5 A 3036 2909 69.91      
6 A 1663 1594 19.51      
7 A 1488 1426 0.11      
8 A 1426 1366 48.75      
9 A 1389 1331 2.19      
10 A 1376 1318 1.70      
11 A 1177 1128 36.40      
12 A 1130 1083 26.25      
13 A 1051 1007 219.70      
14 A 916 877 3.20      
15 A 859 823 136.50      
16 A 483 463 49.06      
17 A 420 402 98.73      
18 A 308 295 60.41      

Unscaled Zero Point Vibrational Energy (zpe) 15391.4 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 14749.5 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at mPW1PW91/cc-pVDZ
ABC
1.28795 0.32153 0.28876

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.225 -0.154 -0.021
C2 -0.033 0.532 0.048
O3 -1.195 -0.263 -0.115
H4 1.256 -0.725 -0.866
H5 1.328 -0.798 0.762
H6 -0.063 1.091 1.000
H7 -0.080 1.263 -0.771
H8 -1.259 -0.841 0.655

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43502.42421.01981.01962.06272.06782.6648
C21.43501.41652.01902.03301.10501.09901.9382
O32.42421.41652.60502.72392.08692.00060.9651
H41.01982.01902.60501.63162.91912.39732.9419
H51.01962.03302.72391.63162.35862.93002.5894
H62.06271.10502.08692.91912.35861.77972.2984
H72.06781.09902.00062.39732.93001.77972.8025
H82.66481.93820.96512.94192.58942.29842.8025

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.459 N1 C2 H6 107.893
N1 C2 H7 108.653 C2 N1 H4 109.505
C2 N1 H5 110.698 C2 O3 H8 107.433
O3 C2 H6 111.112 O3 C2 H7 104.670
H4 N1 H5 106.269 H6 C2 H7 107.695
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.222      
2 C 0.128      
3 O -0.291      
4 H 0.089      
5 H 0.079      
6 H 0.034      
7 H 0.054      
8 H 0.129      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.263 -1.177 1.206 1.705
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.924 -1.285 -1.817
y -1.285 -16.818 -1.330
z -1.817 -1.330 -16.535
Traceless
 xyz
x -6.248 -1.285 -1.817
y -1.285 2.912 -1.330
z -1.817 -1.330 3.336
Polar
3z2-r26.673
x2-y2-6.106
xy-1.285
xz-1.817
yz-1.330


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.496 -0.109 -0.097
y -0.109 3.384 -0.165
z -0.097 -0.165 3.358


<r2> (average value of r2) Å2
<r2> 49.137
(<r2>)1/2 7.010